package Day021_反射_注解.ZuoYe;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * @author zhangyan
 * @date 2020/5/15 16:46
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
@interface Book{
    String value();
    double price();
    String[] authors();
}
